Solution:
Make sure that the surfaces in the original CAD model are “water-tight" in that only solids are modeled.

4. Part design having knife edge design where the edge thins down to zero thickness.

Solution:
Thicken any thinning/ knife edge features - which often times are found in thread designs - in the model that are less than .030" in thickness for Std. SLA and .015"-.020" for High-Res SLA.

5. Part design with enclosed hollow space, where support materials can’t be removed.

Solution:
Add a hole for the internal voids in the model to allow the removal of the support materials.

6. Curvier sections of the part, such as in bottles or lids, with thickness less than the minimal feature size.

Solution:
Thicken any features in the model with curvy sections that are less than .035" in thickness for Std. SLA and .025" for High-Res SLA. For curvier sections that are at or near the minimum, even thicker dimensions from the standard tolerance will increase the probability of the part building properly.

Solution:
Typically, there should be a .015"-.020" clearance between prototype parts, which will differ when it comes to the full production stage.

8. Having small text and logos features in the part model.

Solution:
Make sure that the logo and text features are no less than .030" for Standard SLA and .015"-.020" for High-Res SLA in length, width, or thickness.

9. Designing living hinges to function for Rapid Prototypes.

Solution:
Living hinge design doesn’t typically function as intended in the rapid prototyping process (with an exception of the NEW SLS Duraform EX). A simple fix would be using a normal piece of Scotch tape to act as the hinge.

10. Saving in the wrong units for the STL file.

Solution:
Double check the STL file properties so that the correct unit is selected. The default units for the Quickparts machines are in inches.